Buffalo. ( 2012). In Encyclopædia Britannica. Retrieved from http://school.eb.com/eb/article-9017935

City-Data.com. (2009). Buffalo: geography and climate. Retrieved from http://www.city-data.com/us-cities/The-Northeast/Buffalo-Geography-and-Climate.html
Ice Age. (2013). In Compton's by Britannica. Retrieved from http://school.eb.com/all/comptons/article-9275027

NewYork. ( 2012). In Encyclopædia Britannica. Retrieved from http://school.eb.com/eb/article-78256

Niagara Falls. (2013). In Compton's by Britannica. Retrieved from http://school.eb.com/all/comptons/article-9276083 Penn, James R. (2011). Niagara River. In United States Geography. Retrieved September 15, 2011, from http://usgeography.abc-clio.com/

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Carew, M. (2003). Buffalo. In S. I. Kutler (Ed.), Dictionary of American History (3rd ed., Vol. 1, p. 561). New York: Charles Scribner's Sons. Retrieved from http://ic.galegroup.com:80/ic/suic/ReferenceDetailsPage/ReferenceDetailsWindow?displayGroupName=Reference&disableHighlighting=false&prodId=SUIC&action=2&catId=&documentId=GALE%7CCX3401800583&userGroupName=cps4890&jsid=716b46d2f47c9abe3b52b8ecbee8c791

Erie Canal. (2011). In United States Geography. Retrieved September 16, 2011, from http://usgeography.abc-clio.com/

Bingham, R. W., & Brittain, J. E. (2003). Niagara Falls. In S. I. Kutler (Ed.), Dictionary of American History (3rd ed., Vol. 6, p. 103). New York: Charles Scribner's Sons. Retrieved from http://ic.galegroup.com:80/ic/suic/ReferenceDetailsPage/ReferenceDetailsWindow?displayGroupName=Reference&disableHighlighting=false&prodId=SUIC&action=2&catId=&documentId=GALE%7CCX3401802983&userGroupName=cps4890&jsid=7f5bdb4d2b6f6d3da590800c82859d8e

Duhigg, C. (2009, September 12). Clean water laws are neglected, at a cost in suffering. New York Times. Retrieved from http://www.nytimes.com/2009/09/13/us/13water.html